Added missing weather provider. (#284)

SMHI was missing as a valid weather provider.

Author: el97

modules/weather.md

@@ -45,7 +45,7 @@ The following properties can be configured:
 
 | Option                         | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
 | ------------------------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `weatherProvider`              | Which weather provider should be used. <br><br> **Possible values:** `openweathermap` , `pirateweather` , `weathergov`, `ukmetofficedatahub`, `ukmetoffice`, `weatherbit`, `envcanada`, `openmeteo`, `weatherflow` or `yr`<br> **Default value:** `openweathermap`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
+| `weatherProvider`              | Which weather provider should be used. <br><br> **Possible values:** `openweathermap` , `pirateweather` , `weathergov`, `ukmetofficedatahub`, `ukmetoffice`, `weatherbit`, `envcanada`, `openmeteo`, `weatherflow`, `SMHI` or `yr`<br> **Default value:** `openweathermap`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
 | `type`                         | Which type of weather data should be displayed. <br><br> **Possible values:** `current` , `hourly` , `daily` , or `forecast` <br> **Default value:** `current` <br><br> **Note:** The `daily` type is another name for the `forecast` type, and the two are interchangeable. <br><br> The `hourly` type is currently only implemented for these provider: <br>- **Environment Canada** (`envcanada`) <br>- **Openmeteo** <br>- **OpenWeatherMap** (`openweathermap`), and only when `/onecall` is used as the specified endpoint. Latitude and longitude [(see below)](/modules/weather.md#openweathermap-options) are **required** for `hourly`. The locationID and location options are ignored when the OpenWeatherMap One Call API is used and you will get wrong weather information.<br>- **Weather.gov** (`weathergov`)<br/>- **Yr** (`yr`) |
 | `units`                        | What units to use. Specified by config.js <br><br> **Possible values:** `config.units` = Specified by config.js, `metric` = Celsius, `imperial` = Fahrenheit <br> **Default value:** `config.units`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
 | `tempUnits`                    | What units to use for temperature. If not specified, the module uses the `units` value from `config.js`. <br><br> **Possible values:** `config.units` = Specified by config.js, `metric` = Celsius, `imperial` = Fahrenheit <br> **Default value:** `config.units`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |